Vulnerability · Published Jul 22, 2021 · Assigned by cisco

CVE-2021-1614Cisco SD-WAN Software Information Disclosure Vulnerability

Medium 5.3

In plain English

A medium-severity security flaw in Cisco SD-WAN Solution from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.2%top 32.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the Multiprotocol Label Switching (MPLS) packet handling function of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to gain access to information stored in MPLS buffer memory. This vulnerability is due to insufficient handling of malformed MPLS packets that are processed by a device that is running Cisco SD-WAN Software. An attacker could exploit this vulnerability by sending a crafted MPLS packet to an affected device that is running Cisco SD-WAN Software or Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to gain unauthorized access to sensitive information.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN Solution	n/a

Weakness: CWE-126 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

20210721 Cisco SD-WAN Software Information Disclosure Vulnerability vendor-advisory, x_refsource_CISCO